Abstract: A liquid ejection head includes a pressure adjusting mechanism that communicates with a supply flow path that supplies a liquid to an element substrate including an ejection port ejecting a liquid, and adjusts a pressure of the liquid flowing in the supply flow path, a pressure adjusting mechanism that communicates with a collection flow path that collects a liquid from the element substrate, and adjusts a pressure of the liquid flowing in the collection flow path, and a filter storage chamber including therein a filter that captures foreign matter in the liquid. Further, the liquid ejection head includes upstream flow paths and a connection section that causes the upstream flow paths to communicate with each other, and is provided downstream of the filter.

Abstract: A liquid supplying mechanism includes: a tank including a liquid storage section configured to store a liquid, and a liquid injection port configured to inject the liquid into the liquid storage section; and a bottle configured to replenish the liquid into the tank. The bottle includes: a bottle section configured to store the liquid; and a protruding section, which protrudes from the bottle section, and is insertable into the liquid injection port so as to inject, into the liquid storage section, the liquid stored in the bottle section. The liquid injection port includes: a protruding section insertion portion into which the protruding section of the bottle is insertable; and a protruding section fixing portion, which is engageable with the protruding section of the bottle, to thereby be capable of fixing the bottle to the tank.

Abstract: A page-wide liquid ejection head detachable from a main body of a liquid ejection apparatus includes a supply connector connected to the main body and adapted to allow passage of a liquid supplied to the liquid ejection head; and a recovery connector connected to the main body and adapted to allow passage of the liquid recovered from the liquid ejection head, wherein the supply connector and the recovery connector are placed at one end in a longitudinal direction of the liquid ejection head.

Abstract: A liquid supplying mechanism includes: a tank including a liquid storage section configured to store a liquid, and a liquid injection port configured to inject the liquid into the liquid storage section; and a bottle configured to replenish the liquid into the tank. The bottle includes: a bottle section configured to store the liquid; and a protruding section, which protrudes from the bottle section, and is insertable into the liquid injection port so as to inject, into the liquid storage section, the liquid stored in the bottle section. The liquid injection port includes: a protruding section insertion portion into which the protruding section of the bottle is insertable; and a protruding section fixing portion, which is engageable with the protruding section of the bottle, to thereby be capable of fixing the bottle to the tank.

Abstract: A liquid container unit includes: a liquid container including: a plurality of liquid storage portions; and a plurality of injection ports which are provided to the respective plurality of liquid storage portions, and are configured to enable injection of liquid into the plurality of liquid storage portions; and an injection port cover which is provided to the liquid container so as to be rotatable and is configured to cover the plurality of injection ports so as to be openable and closable, the injection port cover including a plurality of stopper members configured to close the plurality of injection ports when the injection port cover is closed.

Abstract: An object is to provide a liquid ejecting apparatus that enables a liquid storage container to be properly and easily refilled with a liquid from a liquid refilling container without causing color mixture in the liquid storage container. The liquid ejecting apparatus includes liquid storage containers each configured to feed the liquid to a liquid ejecting portion and liquid refilling containers each configured to refill the liquid storage container with the liquid. A first fitting unit is provided around a liquid injection port in each of the liquid storage containers. A second fitting unit is provided around a liquid pour-out port in each of the liquid refilling containers. The second fitting unit is fitted to the first fitting unit to enable the liquid to be delivered from the liquid pour-out port to the liquid injection port.

Abstract: A liquid container unit includes: a liquid container including: a plurality of liquid storage portions; and a plurality of injection ports which are provided to the respective plurality of liquid storage portions, and are configured to enable injection of liquid into the plurality of liquid storage portions; and an injection port cover which is provided to the liquid container so as to be rotatable and is configured to cover the plurality of injection ports so as to be openable and closable, the injection port cover including a plurality of stopper members configured to close the plurality of injection ports when the injection port cover is closed.

Abstract: A liquid supplying mechanism includes: a tank including a liquid storage section configured to store a liquid, and a liquid injection port configured to inject the liquid into the liquid storage section; and a bottle configured to replenish the liquid into the tank. The bottle includes: a bottle section configured to store the liquid; and a protruding section, which protrudes from the bottle section, and is insertable into the liquid injection port so as to inject, into the liquid storage section, the liquid stored in the bottle section. The liquid injection port includes: a protruding section insertion portion into which the protruding section of the bottle is insertable; and a protruding section fixing portion, which is engageable with the protruding section of the bottle, to thereby be capable of fixing the bottle to the tank.

Abstract: The liquid storage container of the present invention includes a liquid storage chamber, a support part, and a rocking body configured to rock with the support part as a fulcrum. The rocking body has, on one hand, a float part that moves in accordance with the height of the liquid surface of the liquid within the liquid storage chamber, and on the other hand, a detection target part that is used to detect the amount of the liquid within the liquid storage chamber, and the detection target part is coupled to the supported part via an arm part. The low end in the vertical direction of a connection part at which the arm part and the supported part are connected is located on the lower side in the vertical direction than the top end in the vertical direction of a rotating area of the supported part.

Abstract: A notification device can suppress the occurrence of a user's mistake in supplementing a printing liquid. An acquisition unit that acquires information relating to a residual amount of each of a plurality of printing liquids supplied to a printing apparatus and a determination unit that determines whether or not each of the plurality of printing liquids is a printing liquid of a notification target of which a residual amount is a predetermined amount or less based on the acquired information are included. In addition, a notification unit that, in a case where a plurality of printing liquids of the notification target determined by the determination unit are present, notifies of information relating to the residual amount of a predetermined printing liquid is included. This notification unit performs a notification with priority for a predetermined printing liquid satisfying a predetermined condition among the plurality of printing liquids of the notification target.

Abstract: There is provided an ink cartridge capable of accomplishing satisfactory electrical connection relative to a printer main assembly. An ink cartridge detachably mountable to a cartridge mounting portion provided with an ink receiving tube and a plurality of electrical connecting portions, the ink cartridge including a tube inserting portion into which the receiving tube is insertable, a substrate provided on a front side in a position above the tube inserting portion, a plurality of electrical contacts electrically connectable with the plurality of electrical connecting portions, the electrical contacts being arranged on the substrate in a direction crossing with a direction from a bottom surface toward an upper surface.

Abstract: There are provided a liquid container including a plug member which prevents leakage of a liquid from the liquid container and can be opened without scattering the liquid and a liquid ejection apparatus including the liquid container. For that purpose, a projecting portion in the plug member is provided below a center part of the plug member in a gravity direction in an attitude at the time of use of the liquid ejection apparatus.

Abstract: A liquid ejection head includes a pressure adjusting mechanism 231 that communicates with a supply flow path that supplies a liquid to an element substrate including an ejection port ejecting a liquid, and adjusts a pressure of the liquid flowing in the supply flow path, a pressure adjusting mechanism 232 that communicates with a collection flow path that collects a liquid from the element substrate, and adjusts a pressure of the liquid flowing in the collection flow path, and a filter storage chamber 222 including therein a filter 221 that captures a foreign matter included in the liquid. Further, the liquid ejection head includes an upstream flow path 233, an upstream flow path 234, and a connection section 235 that causes the upstream flow path 233 and the upstream flow path 234 to communicate with each other, and is provided at a downstream side from the filter 221.

Abstract: A page-wide liquid ejection head detachable from a main body of a liquid ejection apparatus includes a supply connector connected to the main body and adapted to allow passage of a liquid supplied to the liquid ejection head; and a recovery connector connected to the main body and adapted to allow passage of the liquid recovered from the liquid ejection head, wherein the supply connector and the recovery connector are placed at one end in a longitudinal direction of the liquid ejection head.

Abstract: A page-wide liquid ejection head includes a liquid ejection unit 300 adapted to eject a liquid; a liquid supply unit 220 provided with a liquid supplying flow path adapted to supply the liquid to the liquid ejection unit 300; and first and second pressure control units 230 fixed to the liquid supply unit 220 and adapted to control pressure in the liquid supplying flow path, in which the first and second pressure control units 230 are shorter in longitudinal length than the liquid supply unit 220, and the first pressure control unit 230 and second pressure control unit 230 are placed by being shifted partially or totally from each other in a longitudinal direction of the liquid supply unit 220.

Abstract: A liquid ejection head includes a liquid ejection portion configured to eject a liquid and a liquid supplying member 2220. The liquid supplying member 2220 includes a first face 2227, a second face 2228 that is the back face of the first face 2227, a first connecting portion 2241 provided on the first face 2227 and fluidly connected to a main body 1001, a second connecting portion 2242 provided on the second face 2228 and fluidly connected to the liquid ejection portion, and an interior channel communicating the first connecting portion 2241 and the second connecting portion 2242. The interior channel includes a portion 2246 extending toward the first face 2227 and a portion 2247 extending toward the second face 2228.

Abstract: To provide a liquid storage container equipped with a plug member that can prevent leakage of a liquid from the liquid storage container and can be opened without causing scatter of the liquid, and a liquid ejection apparatus equipped with the liquid storage container. For the purpose, at least one of a connection part of the convex part with the cover part and an apical part of the convex part most apart from the connection part is provided offset from the centroid of the cover part, seen from a direction orthogonal to an opening surface of a supply port in a state that the plug member is mounted on a supply port of the liquid storage container.

Abstract: There are provided a liquid ejection apparatus with low costs, a liquid container, and a manufacturing method thereof. To this end, a rocking body is assembled to the liquid container to suppress the drop thereof by melting and swaging of a support shaft.

Abstract: There are provided a liquid ejection apparatus with low costs, a liquid container, and a manufacturing method thereof. To this end, a rocking body is assembled to the liquid container to suppress the drop thereof by melting and swaging of a support shaft.